From: Andre Noll <maan@systemlinux.org>
Date: Tue, 2 Mar 2010 14:56:50 +0000 (+0100)
Subject: gsu: Print help text on prefs command.
X-Git-Url: http://git.tue.mpg.de/?a=commitdiff_plain;h=8f3d6787f5d7caf3ea6f7a01ea44dd7308f005c8;p=gsu.git

gsu: Print help text on prefs command.

This uses another nice bashism I recently learned.
---

diff --git a/funcs/gsu b/funcs/gsu
index 043676c..add1be4 100644
--- a/funcs/gsu
+++ b/funcs/gsu
@@ -163,6 +163,7 @@ com_prefs()
 			printf " [$default_value]"
 		fi
 		echo
+		[[ -n "$help_text" ]] && sed -e '/^[	]*$/d; s/^[ 	]*/#	/g' <<< "$help_text"
 		printf "$name=$val"
 		[[ "$val" == "$default_value" ]] && printf " # default"
 		echo